ifconfig.c revision 1.77
1 /* $NetBSD: ifconfig.c,v 1.77 2000/04/13 07:16:54 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 #ifndef lint 75 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 76 The Regents of the University of California. All rights reserved.\n"); 77 #endif /* not lint */ 78 79 #ifndef lint 80 #if 0 81 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 82 #else 83 __RCSID("$NetBSD: ifconfig.c,v 1.77 2000/04/13 07:16:54 itojun Exp $"); 84 #endif 85 #endif /* not lint */ 86 87 #include <sys/param.h> 88 #include <sys/socket.h> 89 #include <sys/ioctl.h> 90 91 #include <net/if.h> 92 #include <net/if_dl.h> 93 #include <net/if_media.h> 94 #include <net/if_ether.h> 95 #include <net/if_ieee80211.h> 96 #include <netinet/in.h> 97 #include <netinet/in_var.h> 98 #ifdef INET6 99 #include <netinet6/nd6.h> 100 #endif 101 #include <arpa/inet.h> 102 103 #include <netatalk/at.h> 104 105 #define NSIP 106 #include <netns/ns.h> 107 #include <netns/ns_if.h> 108 #include <netdb.h> 109 110 #define EON 111 #include <netiso/iso.h> 112 #include <netiso/iso_var.h> 113 #include <sys/protosw.h> 114 115 #include <ctype.h> 116 #include <err.h> 117 #include <errno.h> 118 #include <stddef.h> 119 #include <stdio.h> 120 #include <stdlib.h> 121 #include <string.h> 122 #include <unistd.h> 123 124 struct ifreq ifr, flagreq, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 #ifdef INET6 127 struct in6_ifreq ifr6; 128 struct in6_ifreq in6_ridreq; 129 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 130 #endif 131 struct iso_ifreq iso_ridreq; 132 struct iso_aliasreq iso_addreq; 133 struct sockaddr_in netmask; 134 struct netrange at_nr; /* AppleTalk net range */ 135 136 char name[30]; 137 int flags, metric, mtu, setaddr, setipdst, doalias; 138 int clearaddr, s; 139 int newaddr = -1; 140 int nsellength = 1; 141 int af; 142 int Aflag, aflag, bflag, dflag, lflag, mflag, sflag, uflag; 143 #ifdef INET6 144 int Lflag; 145 #endif 146 int reset_if_flags; 147 int explicit_prefix = 0; 148 149 void notealias __P((char *, int)); 150 void notrailers __P((char *, int)); 151 void setifaddr __P((char *, int)); 152 void setifdstaddr __P((char *, int)); 153 void setifflags __P((char *, int)); 154 void setifbroadaddr __P((char *, int)); 155 void setifipdst __P((char *, int)); 156 void setifmetric __P((char *, int)); 157 void setifmtu __P((char *, int)); 158 void setifnwid __P((char *, int)); 159 void setifnetmask __P((char *, int)); 160 void setifprefixlen __P((char *, int)); 161 void setnsellength __P((char *, int)); 162 void setsnpaoffset __P((char *, int)); 163 void setatrange __P((char *, int)); 164 void setatphase __P((char *, int)); 165 #ifdef INET6 166 void setia6flags __P((char *, int)); 167 void setia6pltime __P((char *, int)); 168 void setia6vltime __P((char *, int)); 169 void setia6lifetime __P((char *, char *)); 170 #endif 171 void checkatrange __P ((struct sockaddr_at *)); 172 void setmedia __P((char *, int)); 173 void setmediaopt __P((char *, int)); 174 void unsetmediaopt __P((char *, int)); 175 void setmediainst __P((char *, int)); 176 void fixnsel __P((struct sockaddr_iso *)); 177 int main __P((int, char *[])); 178 179 /* 180 * Media stuff. Whenever a media command is first performed, the 181 * currently select media is grabbed for this interface. If `media' 182 * is given, the current media word is modifed. `mediaopt' commands 183 * only modify the set and clear words. They then operate on the 184 * current media word later. 185 */ 186 int media_current; 187 int mediaopt_set; 188 int mediaopt_clear; 189 190 int actions; /* Actions performed */ 191 192 #define A_MEDIA 0x0001 /* media command */ 193 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 194 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 195 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 196 #define A_MEDIAINST 0x0008 /* instance or inst command */ 197 198 #define NEXTARG 0xffffff 199 200 struct cmd { 201 char *c_name; 202 int c_parameter; /* NEXTARG means next argv */ 203 int c_action; /* defered action */ 204 void (*c_func) __P((char *, int)); 205 } cmds[] = { 206 { "up", IFF_UP, 0, setifflags } , 207 { "down", -IFF_UP, 0, setifflags }, 208 { "trailers", -1, 0, notrailers }, 209 { "-trailers", 1, 0, notrailers }, 210 { "arp", -IFF_NOARP, 0, setifflags }, 211 { "-arp", IFF_NOARP, 0, setifflags }, 212 { "debug", IFF_DEBUG, 0, setifflags }, 213 { "-debug", -IFF_DEBUG, 0, setifflags }, 214 { "alias", IFF_UP, 0, notealias }, 215 { "-alias", -IFF_UP, 0, notealias }, 216 { "delete", -IFF_UP, 0, notealias }, 217 #ifdef notdef 218 #define EN_SWABIPS 0x1000 219 { "swabips", EN_SWABIPS, 0, setifflags }, 220 { "-swabips", -EN_SWABIPS, 0, setifflags }, 221 #endif 222 { "netmask", NEXTARG, 0, setifnetmask }, 223 { "metric", NEXTARG, 0, setifmetric }, 224 { "mtu", NEXTARG, 0, setifmtu }, 225 { "nwid", NEXTARG, 0, setifnwid }, 226 { "broadcast", NEXTARG, 0, setifbroadaddr }, 227 { "ipdst", NEXTARG, 0, setifipdst }, 228 { "prefixlen", NEXTARG, 0, setifprefixlen}, 229 #ifdef INET6 230 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 231 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 232 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 233 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 234 { "pltime", NEXTARG, 0, setia6pltime }, 235 { "vltime", NEXTARG, 0, setia6vltime }, 236 #endif /*INET6*/ 237 #ifndef INET_ONLY 238 { "range", NEXTARG, 0, setatrange }, 239 { "phase", NEXTARG, 0, setatphase }, 240 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 241 { "nsellength", NEXTARG, 0, setnsellength }, 242 #endif /* INET_ONLY */ 243 { "link0", IFF_LINK0, 0, setifflags } , 244 { "-link0", -IFF_LINK0, 0, setifflags } , 245 { "link1", IFF_LINK1, 0, setifflags } , 246 { "-link1", -IFF_LINK1, 0, setifflags } , 247 { "link2", IFF_LINK2, 0, setifflags } , 248 { "-link2", -IFF_LINK2, 0, setifflags } , 249 { "media", NEXTARG, A_MEDIA, setmedia }, 250 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 251 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 252 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 253 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 254 { 0, 0, 0, setifaddr }, 255 { 0, 0, 0, setifdstaddr }, 256 }; 257 258 void adjust_nsellength __P((void)); 259 int getinfo __P((struct ifreq *)); 260 int carrier __P((void)); 261 void getsock __P((int)); 262 void printall __P((void)); 263 void printb __P((char *, unsigned short, char *)); 264 int prefix __P((void *, int)); 265 void status __P((const u_int8_t *, int)); 266 void usage __P((void)); 267 char *sec2str __P((time_t)); 268 269 const char *get_media_type_string __P((int)); 270 const char *get_media_subtype_string __P((int)); 271 int get_media_subtype __P((int, const char *)); 272 int get_media_options __P((int, const char *)); 273 int lookup_media_word __P((struct ifmedia_description *, int, 274 const char *)); 275 void print_media_word __P((int, int, int)); 276 void process_media_commands __P((void)); 277 void init_current_media __P((void)); 278 279 /* 280 * XNS support liberally adapted from code written at the University of 281 * Maryland principally by James O'Toole and Chris Torek. 282 */ 283 void in_alias __P((struct ifreq *)); 284 void in_status __P((int)); 285 void in_getaddr __P((char *, int)); 286 #ifdef INET6 287 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 288 void in6_alias __P((struct in6_ifreq *)); 289 void in6_status __P((int)); 290 void in6_getaddr __P((char *, int)); 291 void in6_getprefix __P((char *, int)); 292 #endif 293 void at_status __P((int)); 294 void at_getaddr __P((char *, int)); 295 void xns_status __P((int)); 296 void xns_getaddr __P((char *, int)); 297 void iso_status __P((int)); 298 void iso_getaddr __P((char *, int)); 299 void ieee80211_status __P((void)); 300 301 /* Known address families */ 302 struct afswtch { 303 char *af_name; 304 short af_af; 305 void (*af_status) __P((int)); 306 void (*af_getaddr) __P((char *, int)); 307 void (*af_getprefix) __P((char *, int)); 308 u_long af_difaddr; 309 u_long af_aifaddr; 310 u_long af_gifaddr; 311 caddr_t af_ridreq; 312 caddr_t af_addreq; 313 } afs[] = { 314 #define C(x) ((caddr_t) &x) 315 { "inet", AF_INET, in_status, in_getaddr, NULL, 316 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 317 #ifdef INET6 318 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 319 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 320 /* 321 * Deleting the first address before setting new one is 322 * not prefered way in this protocol. 323 */ 324 0, 325 C(in6_ridreq), C(in6_addreq) }, 326 #endif 327 #ifndef INET_ONLY /* small version, for boot media */ 328 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 329 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 330 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 331 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 332 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 333 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 334 C(iso_ridreq), C(iso_addreq) }, 335 #endif /* INET_ONLY */ 336 { 0, 0, 0, 0 } 337 }; 338 339 struct afswtch *afp; /*the address family being set or asked about*/ 340 341 struct afswtch *lookup_af __P((const char *)); 342 343 int 344 main(argc, argv) 345 int argc; 346 char *argv[]; 347 { 348 int ch; 349 350 /* Parse command-line options */ 351 aflag = mflag = 0; 352 while ((ch = getopt(argc, argv, "Aabdlmsu" 353 #ifdef INET6 354 "L" 355 #endif 356 )) != -1) { 357 switch (ch) { 358 case 'A': 359 Aflag = 1; 360 break; 361 362 case 'a': 363 aflag = 1; 364 break; 365 366 case 'b': 367 bflag = 1; 368 break; 369 370 case 'd': 371 dflag = 1; 372 break; 373 374 #ifdef INET6 375 case 'L': 376 Lflag = 1; 377 break; 378 #endif 379 380 case 'l': 381 lflag = 1; 382 break; 383 384 case 'm': 385 mflag = 1; 386 break; 387 388 case 's': 389 sflag = 1; 390 break; 391 392 case 'u': 393 uflag = 1; 394 break; 395 396 397 default: 398 usage(); 399 /* NOTREACHED */ 400 } 401 } 402 argc -= optind; 403 argv += optind; 404 405 /* 406 * -l means "list all interfaces", and is mutally exclusive with 407 * all other flags/commands. 408 * 409 * -a means "print status of all interfaces". 410 */ 411 if (lflag && (aflag || mflag || Aflag || argc)) 412 usage(); 413 #ifdef INET6 414 if (lflag && Lflag) 415 usage(); 416 #endif 417 if (aflag || lflag) { 418 if (argc > 1) 419 usage(); 420 else if (argc == 1) { 421 afp = lookup_af(argv[0]); 422 if (afp == NULL) 423 usage(); 424 } 425 if (afp) 426 af = ifr.ifr_addr.sa_family = afp->af_af; 427 else 428 af = ifr.ifr_addr.sa_family = afs[0].af_af; 429 printall(); 430 exit(0); 431 } 432 433 /* Make sure there's an interface name. */ 434 if (argc < 1) 435 usage(); 436 (void) strncpy(name, argv[0], sizeof(name)); 437 argc--; argv++; 438 439 /* Check for address family. */ 440 afp = NULL; 441 if (argc > 0) { 442 afp = lookup_af(argv[0]); 443 if (afp != NULL) { 444 argv++; 445 argc--; 446 } 447 } 448 449 /* Initialize af, just for use in getinfo(). */ 450 if (afp == NULL) 451 af = afs->af_af; 452 else 453 af = afp->af_af; 454 455 /* Get information about the interface. */ 456 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 457 if (getinfo(&ifr) < 0) 458 exit(1); 459 460 if (sflag) { 461 if (argc != 0) 462 usage(); 463 else 464 exit(carrier()); 465 } 466 467 /* No more arguments means interface status. */ 468 if (argc == 0) { 469 status(NULL, 0); 470 exit(0); 471 } 472 473 /* The following operations assume inet family as the default. */ 474 if (afp == NULL) 475 afp = afs; 476 af = ifr.ifr_addr.sa_family = afp->af_af; 477 478 #ifdef INET6 479 /* initialization */ 480 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 481 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 482 #endif 483 484 /* Process commands. */ 485 while (argc > 0) { 486 struct cmd *p; 487 488 for (p = cmds; p->c_name; p++) 489 if (strcmp(argv[0], p->c_name) == 0) 490 break; 491 if (p->c_name == 0 && setaddr) { 492 if ((flags & IFF_POINTOPOINT) == 0) { 493 errx(1, "can't set destination address %s", 494 "on non-point-to-point link"); 495 } 496 p++; /* got src, do dst */ 497 } 498 if (p->c_func) { 499 if (p->c_parameter == NEXTARG) { 500 if (argc < 2) 501 errx(1, "'%s' requires argument", 502 p->c_name); 503 (*p->c_func)(argv[1], 0); 504 argc--, argv++; 505 } else 506 (*p->c_func)(argv[0], p->c_parameter); 507 actions |= p->c_action; 508 } 509 argc--, argv++; 510 } 511 512 /* Process any media commands that may have been issued. */ 513 process_media_commands(); 514 515 if (af == AF_INET6 && explicit_prefix == 0) { 516 /* 517 * Aggregatable address architecture defines all prefixes 518 * are 64. So, it is convenient to set prefixlen to 64 if 519 * it is not specified. 520 */ 521 setifprefixlen("64", 0); 522 /* in6_getprefix("64", MASK) if MASK is available here... */ 523 } 524 525 #ifndef INET_ONLY 526 if (af == AF_ISO) 527 adjust_nsellength(); 528 529 if (af == AF_APPLETALK) 530 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 531 532 if (setipdst && af==AF_NS) { 533 struct nsip_req rq; 534 int size = sizeof(rq); 535 536 rq.rq_ns = addreq.ifra_addr; 537 rq.rq_ip = addreq.ifra_dstaddr; 538 539 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 540 warn("encapsulation routing"); 541 } 542 543 #endif /* INET_ONLY */ 544 545 if (clearaddr) { 546 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 547 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 548 err(1, "SIOCDIFADDR"); 549 } 550 if (newaddr > 0) { 551 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 552 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 553 warn("SIOCAIFADDR"); 554 } 555 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&flagreq) < 0) 556 err(1, "SIOCSIFFLAGS"); 557 exit(0); 558 } 559 560 struct afswtch * 561 lookup_af(cp) 562 const char *cp; 563 { 564 struct afswtch *a; 565 566 for (a = afs; a->af_name != NULL; a++) 567 if (strcmp(a->af_name, cp) == 0) 568 return (a); 569 return (NULL); 570 } 571 572 void 573 getsock(naf) 574 int naf; 575 { 576 static int oaf = -1; 577 578 if (oaf == naf) 579 return; 580 if (oaf != -1) 581 close(s); 582 s = socket(naf, SOCK_DGRAM, 0); 583 if (s < 0) 584 oaf = -1; 585 else 586 oaf = naf; 587 } 588 589 int 590 getinfo(ifr) 591 struct ifreq *ifr; 592 { 593 594 getsock(af); 595 if (s < 0) 596 err(1, "socket"); 597 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 598 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 599 return (-1); 600 } 601 flags = ifr->ifr_flags; 602 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 603 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 604 metric = 0; 605 } else 606 metric = ifr->ifr_metric; 607 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 608 mtu = 0; 609 else 610 mtu = ifr->ifr_mtu; 611 return (0); 612 } 613 614 void 615 printall() 616 { 617 char inbuf[8192]; 618 const struct sockaddr_dl *sdl = NULL; 619 struct ifconf ifc; 620 struct ifreq ifreq, *ifr; 621 int i, siz, idx; 622 char ifrbuf[8192], *cp; 623 624 ifc.ifc_len = sizeof(inbuf); 625 ifc.ifc_buf = inbuf; 626 getsock(af); 627 if (s < 0) 628 err(1, "socket"); 629 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 630 err(1, "SIOCGIFCONF"); 631 ifreq.ifr_name[0] = '\0'; 632 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 633 /* Copy the mininum ifreq into the buffer. */ 634 cp = ((caddr_t)ifc.ifc_req + i); 635 memcpy(ifrbuf, cp, sizeof(*ifr)); 636 637 /* Now compute the actual size of the ifreq. */ 638 ifr = (struct ifreq *)ifrbuf; 639 siz = ifr->ifr_addr.sa_len; 640 if (siz < sizeof(ifr->ifr_addr)) 641 siz = sizeof(ifr->ifr_addr); 642 siz += sizeof(ifr->ifr_name); 643 i += siz; 644 645 /* Now copy the whole thing. */ 646 if (sizeof(ifrbuf) < siz) 647 errx(1, "ifr too big"); 648 memcpy(ifrbuf, cp, siz); 649 650 if (ifr->ifr_addr.sa_family == AF_LINK) 651 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 652 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 653 sizeof(ifr->ifr_name))) 654 continue; 655 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 656 ifreq = *ifr; 657 658 if (getinfo(&ifreq) < 0) 659 continue; 660 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 661 continue; 662 if (dflag && (flags & IFF_UP) != 0) 663 continue; 664 if (uflag && (flags & IFF_UP) == 0) 665 continue; 666 667 if (sflag && carrier()) 668 continue; 669 idx++; 670 /* 671 * Are we just listing the interfaces? 672 */ 673 if (lflag) { 674 if (idx > 1) 675 putchar(' '); 676 fputs(name, stdout); 677 continue; 678 } 679 680 if (sdl == NULL) { 681 status(NULL, 0); 682 } else { 683 status(LLADDR(sdl), sdl->sdl_alen); 684 sdl = NULL; 685 } 686 } 687 if (lflag) 688 putchar('\n'); 689 } 690 691 #define RIDADDR 0 692 #define ADDR 1 693 #define MASK 2 694 #define DSTADDR 3 695 696 /*ARGSUSED*/ 697 void 698 setifaddr(addr, param) 699 char *addr; 700 int param; 701 { 702 struct ifreq *ifr; /* XXX */ 703 704 /* 705 * Delay the ioctl to set the interface addr until flags are all set. 706 * The address interpretation may depend on the flags, 707 * and the flags may change when the address is set. 708 */ 709 setaddr++; 710 if (newaddr == -1) 711 newaddr = 1; 712 if (doalias == 0 && afp->af_gifaddr != 0) { 713 ifr = (struct ifreq *)afp->af_ridreq; 714 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 715 ifr->ifr_addr.sa_family = afp->af_af; 716 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 717 clearaddr = 1; 718 else if (errno == EADDRNOTAVAIL) 719 /* No address was assigned yet. */ 720 ; 721 else 722 err(1, "SIOCGIFADDR"); 723 } 724 725 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 726 } 727 728 void 729 setifnetmask(addr, d) 730 char *addr; 731 int d; 732 { 733 (*afp->af_getaddr)(addr, MASK); 734 } 735 736 void 737 setifbroadaddr(addr, d) 738 char *addr; 739 int d; 740 { 741 (*afp->af_getaddr)(addr, DSTADDR); 742 } 743 744 void 745 setifipdst(addr, d) 746 char *addr; 747 int d; 748 { 749 in_getaddr(addr, DSTADDR); 750 setipdst++; 751 clearaddr = 0; 752 newaddr = 0; 753 } 754 755 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 756 /*ARGSUSED*/ 757 void 758 notealias(addr, param) 759 char *addr; 760 int param; 761 { 762 if (setaddr && doalias == 0 && param < 0) 763 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 764 rqtosa(af_addreq)->sa_len); 765 doalias = param; 766 if (param < 0) { 767 clearaddr = 1; 768 newaddr = 0; 769 } else 770 clearaddr = 0; 771 } 772 773 /*ARGSUSED*/ 774 void 775 notrailers(vname, value) 776 char *vname; 777 int value; 778 { 779 puts("Note: trailers are no longer sent, but always received"); 780 } 781 782 /*ARGSUSED*/ 783 void 784 setifdstaddr(addr, param) 785 char *addr; 786 int param; 787 { 788 (*afp->af_getaddr)(addr, DSTADDR); 789 } 790 791 void 792 setifflags(vname, value) 793 char *vname; 794 int value; 795 { 796 (void) strncpy(flagreq.ifr_name, name, sizeof (flagreq.ifr_name)); 797 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&flagreq) < 0) 798 err(1, "SIOCGIFFLAGS"); 799 flags = flagreq.ifr_flags; 800 801 if (value < 0) { 802 value = -value; 803 flags &= ~value; 804 } else 805 flags |= value; 806 flagreq.ifr_flags = flags; 807 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&flagreq) < 0) 808 err(1, "SIOCSIFFLAGS"); 809 810 reset_if_flags = 1; 811 } 812 813 #ifdef INET6 814 void 815 setia6flags(vname, value) 816 char *vname; 817 int value; 818 { 819 if (value < 0) { 820 value = -value; 821 in6_addreq.ifra_flags &= ~value; 822 } else 823 in6_addreq.ifra_flags |= value; 824 } 825 826 void 827 setia6pltime(val, d) 828 char *val; 829 int d; 830 { 831 setia6lifetime("pltime", val); 832 } 833 834 void 835 setia6vltime(val, d) 836 char *val; 837 int d; 838 { 839 setia6lifetime("vltime", val); 840 } 841 842 void 843 setia6lifetime(cmd, val) 844 char *cmd; 845 char *val; 846 { 847 time_t newval, t; 848 char *ep; 849 850 t = time(NULL); 851 newval = (time_t)strtoul(val, &ep, 0); 852 if (val == ep) 853 errx(1, "invalid %s", cmd); 854 if (afp->af_af != AF_INET6) 855 errx(1, "%s not allowed for the AF", cmd); 856 if (strcmp(cmd, "vltime") == 0) { 857 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 858 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 859 } else if (strcmp(cmd, "pltime") == 0) { 860 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 861 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 862 } 863 } 864 #endif 865 866 void 867 setifmetric(val, d) 868 char *val; 869 int d; 870 { 871 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 872 ifr.ifr_metric = atoi(val); 873 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 874 warn("SIOCSIFMETRIC"); 875 } 876 877 void 878 setifmtu(val, d) 879 char *val; 880 int d; 881 { 882 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 883 ifr.ifr_mtu = atoi(val); 884 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 885 warn("SIOCSIFMTU"); 886 } 887 888 void 889 setifnwid(val, d) 890 char *val; 891 int d; 892 { 893 u_int8_t nwid[IEEE80211_NWID_LEN]; 894 895 memset(&nwid, 0, sizeof(nwid)); 896 (void)strncpy(nwid, val, sizeof(nwid)); 897 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 898 ifr.ifr_data = (caddr_t)nwid; 899 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 900 warn("SIOCS80211NWID"); 901 } 902 903 void 904 ieee80211_status() 905 { 906 u_int8_t nwid[IEEE80211_NWID_LEN + 1]; 907 908 memset(&ifr, 0, sizeof(ifr)); 909 ifr.ifr_data = (caddr_t)nwid; 910 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 911 nwid[IEEE80211_NWID_LEN] = 0; 912 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == 0) 913 printf("\tnwid %s\n", nwid); 914 } 915 916 void 917 init_current_media() 918 { 919 struct ifmediareq ifmr; 920 921 /* 922 * If we have not yet done so, grab the currently-selected 923 * media. 924 */ 925 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 926 (void) memset(&ifmr, 0, sizeof(ifmr)); 927 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 928 929 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 930 /* 931 * If we get E2BIG, the kernel is telling us 932 * that there are more, so we can ignore it. 933 */ 934 if (errno != E2BIG) 935 err(1, "SGIOCGIFMEDIA"); 936 } 937 938 media_current = ifmr.ifm_current; 939 } 940 941 /* Sanity. */ 942 if (IFM_TYPE(media_current) == 0) 943 errx(1, "%s: no link type?", name); 944 } 945 946 void 947 process_media_commands() 948 { 949 950 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 951 /* Nothing to do. */ 952 return; 953 } 954 955 /* 956 * Media already set up, and commands sanity-checked. Set/clear 957 * any options, and we're ready to go. 958 */ 959 media_current |= mediaopt_set; 960 media_current &= ~mediaopt_clear; 961 962 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 963 ifr.ifr_media = media_current; 964 965 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 966 err(1, "SIOCSIFMEDIA"); 967 } 968 969 void 970 setmedia(val, d) 971 char *val; 972 int d; 973 { 974 int type, subtype, inst; 975 976 init_current_media(); 977 978 /* Only one media command may be given. */ 979 if (actions & A_MEDIA) 980 errx(1, "only one `media' command may be issued"); 981 982 /* Must not come after mediaopt commands */ 983 if (actions & A_MEDIAOPT) 984 errx(1, "may not issue `media' after `mediaopt' commands"); 985 986 /* 987 * No need to check if `instance' has been issued; setmediainst() 988 * craps out if `media' has not been specified. 989 */ 990 991 type = IFM_TYPE(media_current); 992 inst = IFM_INST(media_current); 993 994 /* Look up the subtype. */ 995 subtype = get_media_subtype(type, val); 996 997 /* Build the new current media word. */ 998 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 999 1000 /* Media will be set after other processing is complete. */ 1001 } 1002 1003 void 1004 setmediaopt(val, d) 1005 char *val; 1006 int d; 1007 { 1008 1009 init_current_media(); 1010 1011 /* Can only issue `mediaopt' once. */ 1012 if (actions & A_MEDIAOPTSET) 1013 errx(1, "only one `mediaopt' command may be issued"); 1014 1015 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1016 if (actions & A_MEDIAINST) 1017 errx(1, "may not issue `mediaopt' after `instance'"); 1018 1019 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1020 1021 /* Media will be set after other processing is complete. */ 1022 } 1023 1024 void 1025 unsetmediaopt(val, d) 1026 char *val; 1027 int d; 1028 { 1029 1030 init_current_media(); 1031 1032 /* Can only issue `-mediaopt' once. */ 1033 if (actions & A_MEDIAOPTCLR) 1034 errx(1, "only one `-mediaopt' command may be issued"); 1035 1036 /* May not issue `media' and `-mediaopt'. */ 1037 if (actions & A_MEDIA) 1038 errx(1, "may not issue both `media' and `-mediaopt'"); 1039 1040 /* 1041 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1042 * implicitly checks for A_MEDIAINST. 1043 */ 1044 1045 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1046 1047 /* Media will be set after other processing is complete. */ 1048 } 1049 1050 void 1051 setmediainst(val, d) 1052 char *val; 1053 int d; 1054 { 1055 int type, subtype, options, inst; 1056 1057 init_current_media(); 1058 1059 /* Can only issue `instance' once. */ 1060 if (actions & A_MEDIAINST) 1061 errx(1, "only one `instance' command may be issued"); 1062 1063 /* Must have already specified `media' */ 1064 if ((actions & A_MEDIA) == 0) 1065 errx(1, "must specify `media' before `instance'"); 1066 1067 type = IFM_TYPE(media_current); 1068 subtype = IFM_SUBTYPE(media_current); 1069 options = IFM_OPTIONS(media_current); 1070 1071 inst = atoi(val); 1072 if (inst < 0 || inst > IFM_INST_MAX) 1073 errx(1, "invalid media instance: %s", val); 1074 1075 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1076 1077 /* Media will be set after other processing is complete. */ 1078 } 1079 1080 struct ifmedia_description ifm_type_descriptions[] = 1081 IFM_TYPE_DESCRIPTIONS; 1082 1083 struct ifmedia_description ifm_subtype_descriptions[] = 1084 IFM_SUBTYPE_DESCRIPTIONS; 1085 1086 struct ifmedia_description ifm_option_descriptions[] = 1087 IFM_OPTION_DESCRIPTIONS; 1088 1089 const char * 1090 get_media_type_string(mword) 1091 int mword; 1092 { 1093 struct ifmedia_description *desc; 1094 1095 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1096 desc++) { 1097 if (IFM_TYPE(mword) == desc->ifmt_word) 1098 return (desc->ifmt_string); 1099 } 1100 return ("<unknown type>"); 1101 } 1102 1103 const char * 1104 get_media_subtype_string(mword) 1105 int mword; 1106 { 1107 struct ifmedia_description *desc; 1108 1109 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1110 desc++) { 1111 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1112 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1113 return (desc->ifmt_string); 1114 } 1115 return ("<unknown subtype>"); 1116 } 1117 1118 int 1119 get_media_subtype(type, val) 1120 int type; 1121 const char *val; 1122 { 1123 int rval; 1124 1125 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1126 if (rval == -1) 1127 errx(1, "unknown %s media subtype: %s", 1128 get_media_type_string(type), val); 1129 1130 return (rval); 1131 } 1132 1133 int 1134 get_media_options(type, val) 1135 int type; 1136 const char *val; 1137 { 1138 char *optlist, *str; 1139 int option, rval = 0; 1140 1141 /* We muck with the string, so copy it. */ 1142 optlist = strdup(val); 1143 if (optlist == NULL) 1144 err(1, "strdup"); 1145 str = optlist; 1146 1147 /* 1148 * Look up the options in the user-provided comma-separated list. 1149 */ 1150 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1151 option = lookup_media_word(ifm_option_descriptions, type, str); 1152 if (option == -1) 1153 errx(1, "unknown %s media option: %s", 1154 get_media_type_string(type), str); 1155 rval |= IFM_OPTIONS(option); 1156 } 1157 1158 free(optlist); 1159 return (rval); 1160 } 1161 1162 int 1163 lookup_media_word(desc, type, val) 1164 struct ifmedia_description *desc; 1165 int type; 1166 const char *val; 1167 { 1168 1169 for (; desc->ifmt_string != NULL; desc++) { 1170 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1171 strcasecmp(desc->ifmt_string, val) == 0) 1172 return (desc->ifmt_word); 1173 } 1174 return (-1); 1175 } 1176 1177 void 1178 print_media_word(ifmw, print_type, as_syntax) 1179 int ifmw, print_type, as_syntax; 1180 { 1181 struct ifmedia_description *desc; 1182 int seen_option = 0; 1183 1184 if (print_type) 1185 printf("%s ", get_media_type_string(ifmw)); 1186 printf("%s%s", as_syntax ? "media " : "", 1187 get_media_subtype_string(ifmw)); 1188 1189 /* Find options. */ 1190 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1191 desc++) { 1192 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1193 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1194 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1195 if (seen_option == 0) 1196 printf(" %s", as_syntax ? "mediaopt " : ""); 1197 printf("%s%s", seen_option ? "," : "", 1198 desc->ifmt_string); 1199 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1200 } 1201 } 1202 if (IFM_INST(ifmw) != 0) 1203 printf(" instance %d", IFM_INST(ifmw)); 1204 } 1205 1206 int carrier() 1207 { 1208 struct ifmediareq ifmr; 1209 1210 (void) memset(&ifmr, 0, sizeof(ifmr)); 1211 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1212 1213 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1214 /* 1215 * Interface doesn't support SIOC{G,S}IFMEDIA; 1216 * assume ok. 1217 */ 1218 return 0; 1219 } 1220 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1221 /* 1222 * Interface doesn't report media-valid status. 1223 * assume ok. 1224 */ 1225 return 0; 1226 } 1227 /* otherwise, return ok for active, not-ok if not active. */ 1228 return !(ifmr.ifm_status & IFM_ACTIVE); 1229 } 1230 1231 1232 #define IFFBITS \ 1233 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1234 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1235 1236 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1237 1238 const struct ifmedia_status_description ifm_status_descriptions[] = 1239 IFM_STATUS_DESCRIPTIONS; 1240 1241 /* 1242 * Print the status of the interface. If an address family was 1243 * specified, show it and it only; otherwise, show them all. 1244 */ 1245 void 1246 status(ap, alen) 1247 const u_int8_t *ap; 1248 int alen; 1249 { 1250 struct afswtch *p = afp; 1251 struct ifmediareq ifmr; 1252 int *media_list, i; 1253 1254 printf("%s: ", name); 1255 printb("flags", flags, IFFBITS); 1256 if (metric) 1257 printf(" metric %d", metric); 1258 if (mtu) 1259 printf(" mtu %d", mtu); 1260 putchar('\n'); 1261 1262 ieee80211_status(); 1263 1264 if (ap && alen > 0) { 1265 printf("\taddress:"); 1266 for (i = 0; i < alen; i++, ap++) 1267 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1268 putchar('\n'); 1269 } 1270 1271 (void) memset(&ifmr, 0, sizeof(ifmr)); 1272 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1273 1274 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1275 /* 1276 * Interface doesn't support SIOC{G,S}IFMEDIA. 1277 */ 1278 goto proto_status; 1279 } 1280 1281 if (ifmr.ifm_count == 0) { 1282 warnx("%s: no media types?", name); 1283 goto proto_status; 1284 } 1285 1286 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1287 if (media_list == NULL) 1288 err(1, "malloc"); 1289 ifmr.ifm_ulist = media_list; 1290 1291 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1292 err(1, "SIOCGIFMEDIA"); 1293 1294 printf("\tmedia: "); 1295 print_media_word(ifmr.ifm_current, 1, 0); 1296 if (ifmr.ifm_active != ifmr.ifm_current) { 1297 putchar(' '); 1298 putchar('('); 1299 print_media_word(ifmr.ifm_active, 0, 0); 1300 putchar(')'); 1301 } 1302 putchar('\n'); 1303 1304 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1305 const struct ifmedia_status_description *ifms; 1306 int bitno, found = 0; 1307 1308 printf("\tstatus: "); 1309 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1310 for (ifms = ifm_status_descriptions; 1311 ifms->ifms_valid != 0; ifms++) { 1312 if (ifms->ifms_type != 1313 IFM_TYPE(ifmr.ifm_current) || 1314 ifms->ifms_valid != 1315 ifm_status_valid_list[bitno]) 1316 continue; 1317 printf("%s%s", found ? ", " : "", 1318 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1319 found = 1; 1320 1321 /* 1322 * For each valid indicator bit, there's 1323 * only one entry for each media type, so 1324 * terminate the inner loop now. 1325 */ 1326 break; 1327 } 1328 } 1329 1330 if (found == 0) 1331 printf("unknown"); 1332 putchar('\n'); 1333 } 1334 1335 if (mflag) { 1336 int type, printed_type; 1337 1338 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1339 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1340 if (IFM_TYPE(media_list[i]) == type) { 1341 if (printed_type == 0) { 1342 printf("\tsupported %s media:\n", 1343 get_media_type_string(type)); 1344 printed_type = 1; 1345 } 1346 printf("\t\t"); 1347 print_media_word(media_list[i], 0, 1); 1348 printf("\n"); 1349 } 1350 } 1351 } 1352 } 1353 1354 free(media_list); 1355 1356 proto_status: 1357 if ((p = afp) != NULL) { 1358 (*p->af_status)(1); 1359 } else for (p = afs; p->af_name; p++) { 1360 ifr.ifr_addr.sa_family = p->af_af; 1361 (*p->af_status)(0); 1362 } 1363 } 1364 1365 void 1366 in_alias(creq) 1367 struct ifreq *creq; 1368 { 1369 struct sockaddr_in *sin; 1370 int alias; 1371 1372 if (lflag) 1373 return; 1374 1375 alias = 1; 1376 1377 /* Get the non-alias address for this interface. */ 1378 getsock(AF_INET); 1379 if (s < 0) { 1380 if (errno == EPROTONOSUPPORT) 1381 return; 1382 err(1, "socket"); 1383 } 1384 (void) memset(&ifr, 0, sizeof(ifr)); 1385 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1386 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1387 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1388 return; 1389 } else 1390 warn("SIOCGIFADDR"); 1391 } 1392 /* If creq and ifr are the same address, this is not an alias. */ 1393 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1394 sizeof(creq->ifr_addr)) == 0) 1395 alias = 0; 1396 /* we print aliases only with -A */ 1397 if (alias && !Aflag) 1398 return; 1399 (void) memset(&addreq, 0, sizeof(addreq)); 1400 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1401 addreq.ifra_addr = creq->ifr_addr; 1402 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1403 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1404 return; 1405 } else 1406 warn("SIOCGIFALIAS"); 1407 } 1408 1409 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1410 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 1411 1412 if (flags & IFF_POINTOPOINT) { 1413 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1414 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1415 } 1416 1417 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1418 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1419 1420 if (flags & IFF_BROADCAST) { 1421 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1422 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1423 } 1424 printf("\n"); 1425 } 1426 1427 void 1428 in_status(force) 1429 int force; 1430 { 1431 char inbuf[8192]; 1432 struct ifconf ifc; 1433 struct ifreq *ifr; 1434 int i, siz; 1435 char ifrbuf[8192], *cp; 1436 1437 ifc.ifc_len = sizeof(inbuf); 1438 ifc.ifc_buf = inbuf; 1439 getsock(af); 1440 if (s < 0) 1441 err(1, "socket"); 1442 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1443 err(1, "SIOCGIFCONF"); 1444 for (i = 0; i < ifc.ifc_len; ) { 1445 /* Copy the mininum ifreq into the buffer. */ 1446 cp = ((caddr_t)ifc.ifc_req + i); 1447 memcpy(ifrbuf, cp, sizeof(*ifr)); 1448 1449 /* Now compute the actual size of the ifreq. */ 1450 ifr = (struct ifreq *)ifrbuf; 1451 siz = ifr->ifr_addr.sa_len; 1452 if (siz < sizeof(ifr->ifr_addr)) 1453 siz = sizeof(ifr->ifr_addr); 1454 siz += sizeof(ifr->ifr_name); 1455 i += siz; 1456 1457 /* Now copy the whole thing. */ 1458 if (sizeof(ifrbuf) < siz) 1459 errx(1, "ifr too big"); 1460 memcpy(ifrbuf, cp, siz); 1461 1462 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1463 if (ifr->ifr_addr.sa_family == AF_INET) 1464 in_alias(ifr); 1465 } 1466 } 1467 } 1468 1469 void 1470 setifprefixlen(addr, d) 1471 char *addr; 1472 int d; 1473 { 1474 if (*afp->af_getprefix) 1475 (*afp->af_getprefix)(addr, MASK); 1476 explicit_prefix = 1; 1477 } 1478 1479 #ifdef INET6 1480 void 1481 in6_fillscopeid(sin6) 1482 struct sockaddr_in6 *sin6; 1483 { 1484 #if defined(__KAME__) && defined(KAME_SCOPEID) 1485 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1486 sin6->sin6_scope_id = 1487 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 1488 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 1489 } 1490 #endif 1491 } 1492 1493 /* XXX not really an alias */ 1494 void 1495 in6_alias(creq) 1496 struct in6_ifreq *creq; 1497 { 1498 struct sockaddr_in6 *sin6; 1499 char hbuf[NI_MAXHOST]; 1500 u_int32_t scopeid; 1501 #ifdef NI_WITHSCOPEID 1502 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1503 #else 1504 const int niflag = NI_NUMERICHOST; 1505 #endif 1506 1507 /* Get the non-alias address for this interface. */ 1508 getsock(AF_INET6); 1509 if (s < 0) { 1510 if (errno == EPROTONOSUPPORT) 1511 return; 1512 err(1, "socket"); 1513 } 1514 1515 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1516 1517 in6_fillscopeid(sin6); 1518 scopeid = sin6->sin6_scope_id; 1519 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1520 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1521 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1522 printf("\tinet6 %s", hbuf); 1523 1524 if (flags & IFF_POINTOPOINT) { 1525 (void) memset(&ifr6, 0, sizeof(ifr6)); 1526 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1527 ifr6.ifr_addr = creq->ifr_addr; 1528 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1529 if (errno != EADDRNOTAVAIL) 1530 warn("SIOCGIFDSTADDR_IN6"); 1531 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1532 ifr6.ifr_addr.sin6_family = AF_INET6; 1533 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1534 } 1535 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1536 in6_fillscopeid(sin6); 1537 hbuf[0] = '\0'; 1538 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1539 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1540 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1541 printf(" -> %s", hbuf); 1542 } 1543 1544 (void) memset(&ifr6, 0, sizeof(ifr6)); 1545 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1546 ifr6.ifr_addr = creq->ifr_addr; 1547 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1548 if (errno != EADDRNOTAVAIL) 1549 warn("SIOCGIFNETMASK_IN6"); 1550 } else { 1551 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1552 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1553 sizeof(struct in6_addr))); 1554 } 1555 1556 (void) memset(&ifr6, 0, sizeof(ifr6)); 1557 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1558 ifr6.ifr_addr = creq->ifr_addr; 1559 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1560 if (errno != EADDRNOTAVAIL) 1561 warn("SIOCGIFAFLAG_IN6"); 1562 } else { 1563 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1564 printf(" anycast"); 1565 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1566 printf(" tentative"); 1567 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1568 printf(" duplicated"); 1569 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1570 printf(" detached"); 1571 } 1572 1573 if (scopeid) 1574 printf(" scopeid 0x%x", scopeid); 1575 1576 if (Lflag) { 1577 struct in6_addrlifetime *lifetime; 1578 (void) memset(&ifr6, 0, sizeof(ifr6)); 1579 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1580 ifr6.ifr_addr = creq->ifr_addr; 1581 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1582 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1583 if (errno != EADDRNOTAVAIL) 1584 warn("SIOCGIFALIFETIME_IN6"); 1585 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1586 time_t t = time(NULL); 1587 printf(" pltime "); 1588 if (lifetime->ia6t_preferred) { 1589 printf("%s", lifetime->ia6t_preferred < t 1590 ? "0" 1591 : sec2str(lifetime->ia6t_preferred - t)); 1592 } else 1593 printf("infty"); 1594 1595 printf(" vltime "); 1596 if (lifetime->ia6t_expire) { 1597 printf("%s", lifetime->ia6t_expire < t 1598 ? "0" 1599 : sec2str(lifetime->ia6t_expire - t)); 1600 } else 1601 printf("infty"); 1602 } 1603 } 1604 1605 printf("\n"); 1606 } 1607 1608 void 1609 in6_status(force) 1610 int force; 1611 { 1612 char inbuf[8192]; 1613 struct ifconf ifc; 1614 struct ifreq *ifr; 1615 int i, siz; 1616 char ifrbuf[8192], *cp; 1617 1618 ifc.ifc_len = sizeof(inbuf); 1619 ifc.ifc_buf = inbuf; 1620 getsock(af); 1621 if (s < 0) 1622 err(1, "socket"); 1623 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1624 err(1, "SIOCGIFCONF"); 1625 for (i = 0; i < ifc.ifc_len; ) { 1626 /* Copy the mininum ifreq into the buffer. */ 1627 cp = ((caddr_t)ifc.ifc_req + i); 1628 memcpy(ifrbuf, cp, sizeof(*ifr)); 1629 1630 /* Now compute the actual size of the ifreq. */ 1631 ifr = (struct ifreq *)ifrbuf; 1632 siz = ifr->ifr_addr.sa_len; 1633 if (siz < sizeof(ifr->ifr_addr)) 1634 siz = sizeof(ifr->ifr_addr); 1635 siz += sizeof(ifr->ifr_name); 1636 i += siz; 1637 1638 /* Now copy the whole thing. */ 1639 if (sizeof(ifrbuf) < siz) 1640 errx(1, "ifr too big"); 1641 memcpy(ifrbuf, cp, siz); 1642 1643 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1644 if (ifr->ifr_addr.sa_family == AF_INET6) 1645 in6_alias((struct in6_ifreq *)ifr); 1646 } 1647 } 1648 } 1649 #endif /*INET6*/ 1650 1651 #ifndef INET_ONLY 1652 1653 void 1654 at_status(force) 1655 int force; 1656 { 1657 struct sockaddr_at *sat, null_sat; 1658 struct netrange *nr; 1659 1660 getsock(AF_APPLETALK); 1661 if (s < 0) { 1662 if (errno == EPROTONOSUPPORT) 1663 return; 1664 err(1, "socket"); 1665 } 1666 (void) memset(&ifr, 0, sizeof(ifr)); 1667 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1668 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1669 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1670 if (!force) 1671 return; 1672 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1673 } else 1674 warn("SIOCGIFADDR"); 1675 } 1676 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1677 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1678 1679 (void) memset(&null_sat, 0, sizeof(null_sat)); 1680 1681 nr = (struct netrange *) &sat->sat_zero; 1682 printf("\tatalk %d.%d range %d-%d phase %d", 1683 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1684 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1685 if (flags & IFF_POINTOPOINT) { 1686 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1687 if (errno == EADDRNOTAVAIL) 1688 (void) memset(&ifr.ifr_addr, 0, 1689 sizeof(ifr.ifr_addr)); 1690 else 1691 warn("SIOCGIFDSTADDR"); 1692 } 1693 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1694 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1695 if (!sat) 1696 sat = &null_sat; 1697 printf("--> %d.%d", 1698 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1699 } 1700 if (flags & IFF_BROADCAST) { 1701 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1702 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1703 if (sat) 1704 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1705 sat->sat_addr.s_node); 1706 } 1707 putchar('\n'); 1708 } 1709 1710 void 1711 xns_status(force) 1712 int force; 1713 { 1714 struct sockaddr_ns *sns; 1715 1716 getsock(AF_NS); 1717 if (s < 0) { 1718 if (errno == EPROTONOSUPPORT) 1719 return; 1720 err(1, "socket"); 1721 } 1722 (void) memset(&ifr, 0, sizeof(ifr)); 1723 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1724 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1725 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1726 if (!force) 1727 return; 1728 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1729 } else 1730 warn("SIOCGIFADDR"); 1731 } 1732 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1733 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1734 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1735 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1736 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1737 if (errno == EADDRNOTAVAIL) 1738 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1739 else 1740 warn("SIOCGIFDSTADDR"); 1741 } 1742 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1743 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1744 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1745 } 1746 putchar('\n'); 1747 } 1748 1749 void 1750 iso_status(force) 1751 int force; 1752 { 1753 struct sockaddr_iso *siso; 1754 struct iso_ifreq ifr; 1755 1756 getsock(AF_ISO); 1757 if (s < 0) { 1758 if (errno == EPROTONOSUPPORT) 1759 return; 1760 err(1, "socket"); 1761 } 1762 (void) memset(&ifr, 0, sizeof(ifr)); 1763 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1764 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1765 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1766 if (!force) 1767 return; 1768 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1769 } else 1770 warn("SIOCGIFADDR_ISO"); 1771 } 1772 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1773 siso = &ifr.ifr_Addr; 1774 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1775 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1776 if (errno == EADDRNOTAVAIL) 1777 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1778 else 1779 warn("SIOCGIFNETMASK_ISO"); 1780 } else { 1781 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1782 siso->siso_addr.isoa_len = siso->siso_len 1783 - offsetof(struct sockaddr_iso, siso_addr); 1784 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1785 } 1786 if (flags & IFF_POINTOPOINT) { 1787 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1788 if (errno == EADDRNOTAVAIL) 1789 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1790 else 1791 warn("SIOCGIFDSTADDR_ISO"); 1792 } 1793 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1794 siso = &ifr.ifr_Addr; 1795 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1796 } 1797 putchar('\n'); 1798 } 1799 1800 #endif /* INET_ONLY */ 1801 1802 #define SIN(x) ((struct sockaddr_in *) &(x)) 1803 struct sockaddr_in *sintab[] = { 1804 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1805 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1806 1807 void 1808 in_getaddr(s, which) 1809 char *s; 1810 int which; 1811 { 1812 struct sockaddr_in *sin = sintab[which]; 1813 struct hostent *hp; 1814 struct netent *np; 1815 1816 sin->sin_len = sizeof(*sin); 1817 if (which != MASK) 1818 sin->sin_family = AF_INET; 1819 1820 if (which == ADDR) { 1821 char *p = NULL; 1822 1823 if((p = strrchr(s, '/')) != NULL) { 1824 /* address is `name/masklen' */ 1825 int masklen; 1826 int ret; 1827 struct sockaddr_in *min = sintab[MASK]; 1828 *p = '\0'; 1829 ret = sscanf(p+1, "%u", &masklen); 1830 if(ret != 1 || (masklen < 0 || masklen > 32)) { 1831 *p = '/'; 1832 errx(1, "%s: bad value", s); 1833 } 1834 min->sin_len = sizeof(*min); 1835 min->sin_addr.s_addr = 1836 htonl(~((1LL << (32 - masklen)) - 1) & 1837 0xffffffff); 1838 } 1839 } 1840 1841 if (inet_aton(s, &sin->sin_addr) == 0) { 1842 if ((hp = gethostbyname(s)) != NULL) 1843 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1844 else if ((np = getnetbyname(s)) != NULL) 1845 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1846 else 1847 errx(1, "%s: bad value", s); 1848 } 1849 } 1850 1851 /* 1852 * Print a value a la the %b format of the kernel's printf 1853 */ 1854 void 1855 printb(s, v, bits) 1856 char *s; 1857 char *bits; 1858 unsigned short v; 1859 { 1860 int i, any = 0; 1861 char c; 1862 1863 if (bits && *bits == 8) 1864 printf("%s=%o", s, v); 1865 else 1866 printf("%s=%x", s, v); 1867 bits++; 1868 if (bits) { 1869 putchar('<'); 1870 while ((i = *bits++) != 0) { 1871 if (v & (1 << (i-1))) { 1872 if (any) 1873 putchar(','); 1874 any = 1; 1875 for (; (c = *bits) > 32; bits++) 1876 putchar(c); 1877 } else 1878 for (; *bits > 32; bits++) 1879 ; 1880 } 1881 putchar('>'); 1882 } 1883 } 1884 1885 #ifdef INET6 1886 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1887 struct sockaddr_in6 *sin6tab[] = { 1888 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1889 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1890 1891 void 1892 in6_getaddr(s, which) 1893 char *s; 1894 int which; 1895 { 1896 #if defined(__KAME__) && defined(KAME_SCOPEID) 1897 struct sockaddr_in6 *sin6 = sin6tab[which]; 1898 struct addrinfo hints, *res; 1899 int error; 1900 1901 memset(&hints, 0, sizeof(hints)); 1902 hints.ai_family = AF_INET6; 1903 hints.ai_socktype = SOCK_DGRAM; 1904 #if 0 /* in_getaddr() allows FQDN */ 1905 hints.ai_flags = AI_NUMERICHOST; 1906 #endif 1907 error = getaddrinfo(s, "0", &hints, &res); 1908 if (error) 1909 errx(1, "%s: %s", s, gai_strerror(error)); 1910 if (res->ai_next) 1911 errx(1, "%s: resolved to multiple hosts", s); 1912 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 1913 errx(1, "%s: bad value", s); 1914 memcpy(sin6, res->ai_addr, res->ai_addrlen); 1915 freeaddrinfo(res); 1916 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 1917 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 1918 htons(sin6->sin6_scope_id); 1919 sin6->sin6_scope_id = 0; 1920 } 1921 #else 1922 struct sockaddr_in6 *sin = sin6tab[which]; 1923 1924 sin->sin6_len = sizeof(*sin); 1925 if (which != MASK) 1926 sin->sin6_family = AF_INET6; 1927 1928 if (which == ADDR) { 1929 char *p = NULL; 1930 if((p = strrchr(s, '/')) != NULL) { 1931 *p = '\0'; 1932 in6_getprefix(p + 1, MASK); 1933 explicit_prefix = 1; 1934 } 1935 } 1936 1937 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 1938 errx(1, "%s: bad value", s); 1939 #endif 1940 } 1941 1942 void 1943 in6_getprefix(plen, which) 1944 char *plen; 1945 int which; 1946 { 1947 register struct sockaddr_in6 *sin = sin6tab[which]; 1948 register u_char *cp; 1949 int len = strtol(plen, (char **)NULL, 10); 1950 1951 if ((len < 0) || (len > 128)) 1952 errx(1, "%s: bad value", plen); 1953 sin->sin6_len = sizeof(*sin); 1954 if (which != MASK) 1955 sin->sin6_family = AF_INET6; 1956 if ((len == 0) || (len == 128)) { 1957 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1958 return; 1959 } 1960 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1961 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1962 *cp++ = 0xff; 1963 *cp = 0xff << (8 - len); 1964 } 1965 1966 int 1967 prefix(val, size) 1968 void *val; 1969 int size; 1970 { 1971 register u_char *name = (u_char *)val; 1972 register int byte, bit, plen = 0; 1973 1974 for (byte = 0; byte < size; byte++, plen += 8) 1975 if (name[byte] != 0xff) 1976 break; 1977 if (byte == size) 1978 return (plen); 1979 for (bit = 7; bit != 0; bit--, plen++) 1980 if (!(name[byte] & (1 << bit))) 1981 break; 1982 for (; bit != 0; bit--) 1983 if (name[byte] & (1 << bit)) 1984 return(0); 1985 byte++; 1986 for (; byte < size; byte++) 1987 if (name[byte]) 1988 return(0); 1989 return (plen); 1990 } 1991 #endif /*INET6*/ 1992 1993 #ifndef INET_ONLY 1994 void 1995 at_getaddr(addr, which) 1996 char *addr; 1997 int which; 1998 { 1999 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2000 u_int net, node; 2001 2002 sat->sat_family = AF_APPLETALK; 2003 sat->sat_len = sizeof(*sat); 2004 if (which == MASK) 2005 errx(1, "AppleTalk does not use netmasks\n"); 2006 if (sscanf(addr, "%u.%u", &net, &node) != 2 2007 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2008 errx(1, "%s: illegal address", addr); 2009 sat->sat_addr.s_net = htons(net); 2010 sat->sat_addr.s_node = node; 2011 } 2012 2013 void 2014 setatrange(range, d) 2015 char *range; 2016 int d; 2017 { 2018 u_short first = 123, last = 123; 2019 2020 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2021 || first == 0 || first > 0xffff 2022 || last == 0 || last > 0xffff || first > last) 2023 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2024 at_nr.nr_firstnet = htons(first); 2025 at_nr.nr_lastnet = htons(last); 2026 } 2027 2028 void 2029 setatphase(phase, d) 2030 char *phase; 2031 int d; 2032 { 2033 if (!strcmp(phase, "1")) 2034 at_nr.nr_phase = 1; 2035 else if (!strcmp(phase, "2")) 2036 at_nr.nr_phase = 2; 2037 else 2038 errx(1, "%s: illegal phase", phase); 2039 } 2040 2041 void 2042 checkatrange(sat) 2043 struct sockaddr_at *sat; 2044 { 2045 if (at_nr.nr_phase == 0) 2046 at_nr.nr_phase = 2; /* Default phase 2 */ 2047 if (at_nr.nr_firstnet == 0) 2048 at_nr.nr_firstnet = /* Default range of one */ 2049 at_nr.nr_lastnet = sat->sat_addr.s_net; 2050 printf("\tatalk %d.%d range %d-%d phase %d\n", 2051 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2052 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2053 if ((u_short) ntohs(at_nr.nr_firstnet) > 2054 (u_short) ntohs(sat->sat_addr.s_net) 2055 || (u_short) ntohs(at_nr.nr_lastnet) < 2056 (u_short) ntohs(sat->sat_addr.s_net)) 2057 errx(1, "AppleTalk address is not in range"); 2058 *((struct netrange *) &sat->sat_zero) = at_nr; 2059 } 2060 2061 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2062 struct sockaddr_ns *snstab[] = { 2063 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2064 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2065 2066 void 2067 xns_getaddr(addr, which) 2068 char *addr; 2069 int which; 2070 { 2071 struct sockaddr_ns *sns = snstab[which]; 2072 2073 sns->sns_family = AF_NS; 2074 sns->sns_len = sizeof(*sns); 2075 sns->sns_addr = ns_addr(addr); 2076 if (which == MASK) 2077 puts("Attempt to set XNS netmask will be ineffectual"); 2078 } 2079 2080 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2081 struct sockaddr_iso *sisotab[] = { 2082 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2083 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2084 2085 void 2086 iso_getaddr(addr, which) 2087 char *addr; 2088 int which; 2089 { 2090 struct sockaddr_iso *siso = sisotab[which]; 2091 siso->siso_addr = *iso_addr(addr); 2092 2093 if (which == MASK) { 2094 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2095 siso->siso_nlen = 0; 2096 } else { 2097 siso->siso_len = sizeof(*siso); 2098 siso->siso_family = AF_ISO; 2099 } 2100 } 2101 2102 void 2103 setsnpaoffset(val, d) 2104 char *val; 2105 int d; 2106 { 2107 iso_addreq.ifra_snpaoffset = atoi(val); 2108 } 2109 2110 void 2111 setnsellength(val, d) 2112 char *val; 2113 int d; 2114 { 2115 nsellength = atoi(val); 2116 if (nsellength < 0) 2117 errx(1, "Negative NSEL length is absurd"); 2118 if (afp == 0 || afp->af_af != AF_ISO) 2119 errx(1, "Setting NSEL length valid only for iso"); 2120 } 2121 2122 void 2123 fixnsel(s) 2124 struct sockaddr_iso *s; 2125 { 2126 if (s->siso_family == 0) 2127 return; 2128 s->siso_tlen = nsellength; 2129 } 2130 2131 void 2132 adjust_nsellength() 2133 { 2134 fixnsel(sisotab[RIDADDR]); 2135 fixnsel(sisotab[ADDR]); 2136 fixnsel(sisotab[DSTADDR]); 2137 } 2138 2139 #endif /* INET_ONLY */ 2140 2141 void 2142 usage() 2143 { 2144 fprintf(stderr, 2145 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2146 #ifdef INET6 2147 "[ -L ]", 2148 #else 2149 "", 2150 #endif 2151 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2152 "[ netmask mask ] ]\n", 2153 "\t[ metric n ]\n", 2154 "\t[ mtu n ]\n", 2155 "\t[ arp | -arp ]\n", 2156 "\t[ media mtype ]\n", 2157 "\t[ mediaopt mopts ]\n", 2158 "\t[ -mediaopt mopts ]\n", 2159 "\t[ instance minst ]\n", 2160 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2161 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2162 " ifconfig -l [ -d ] [ -u ]\n"); 2163 exit(1); 2164 } 2165 2166 #ifdef INET6 2167 char * 2168 sec2str(total) 2169 time_t total; 2170 { 2171 static char result[256]; 2172 int days, hours, mins, secs; 2173 int first = 1; 2174 char *p = result; 2175 2176 if (0) { /*XXX*/ 2177 days = total / 3600 / 24; 2178 hours = (total / 3600) % 24; 2179 mins = (total / 60) % 60; 2180 secs = total % 60; 2181 2182 if (days) { 2183 first = 0; 2184 p += sprintf(p, "%dd", days); 2185 } 2186 if (!first || hours) { 2187 first = 0; 2188 p += sprintf(p, "%dh", hours); 2189 } 2190 if (!first || mins) { 2191 first = 0; 2192 p += sprintf(p, "%dm", mins); 2193 } 2194 sprintf(p, "%ds", secs); 2195 } else 2196 sprintf(p, "%lu", (u_long)total); 2197 2198 return(result); 2199 } 2200 #endif 2201
Indexes created Tue Sep 30 11:09:46 GMT 2025